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New class of strong magnets uses earth-abundant elements, avoids rare-earth metals (phys.org)

submitted 4 days ago by RegularJoe@lemmy.world to c/science@lemmy.world

24 comments fedilink hide all child comments

"—a breakthrough that could significantly advance clean energy technologies and consumer electronics such as motors, robotics, MRI machines, data storage and smart phones."

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[–] felixwhynot@lemmy.world 2 points 1 day ago (1 children)

I appreciate where you’re coming from—batteries require dangerous materials and chemicals and also have health and environmental impacts.

With that said, you are not describing batteries—battery means “energy storage” in this context. What would you suggest for that? Air pressure? Water + gravity?

What about for local or portable storage?

[–] quick_snail@feddit.nl 2 points 21 hours ago (1 children)

Agreed. I mean electrical batteries suck.

Unfortunately cars can't run on batteries that don't suck. Which is why we need transportation that's grid tied.

[–] felixwhynot@lemmy.world 2 points 9 hours ago

Yeah, I mean generally, fuck cars. It sounds like you’re basically saying “more public transit” which I support.